US Bridges

Csah 15 over Stream

Fair

Fillmore County, Minnesota · 0.3 MI N of JCT Csah 20 · Structure no. 93411

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
40 ft
3 main spans
Daily traffic
75
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Stream is a concrete culvert carrying Csah 15 over Stream in Fillmore County, Minnesota. It was built in 1979, so it is 46 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 75 vehicles a day, projected to reach 75 by 2039. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCsah 15
CrossesStream
Location0.3 MI N of JCT Csah 20
RouteCounty Highway 15
CountyFillmore County
StateMinnesota
Coordinates43.58403, -92.13093
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2013)
Projected traffic75 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 15 over Stream built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 15 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Csah 15 over Stream carry?

About 75 vehicles per day (2013 count).

How long is Csah 15 over Stream?

The structure is 40 ft (12.3 m) long with a longest span of 11 ft (3.5 m).

Who owns Csah 15 over Stream?

It is owned by the County Highway Agency.